1, the need for postoperative thyroid review: patients with benign and malignant thyroid tumors and hyperthyroidism after surgery need postoperative review. For patients with thyroid tumors, after thyroidectomy or partial resection, the thyroxine secreted by the residual thyroid gland generally can not meet their own needs, so it is necessary to understand the postoperative function of the thyroid gland, in order to determine whether to line of drugs exogenous supplementation of thyroxine in the body, for hyperthyroidism surgery, we also need to additionally understand the hyperthyroidism symptoms are relieved after surgery. 2, postoperative review time: post-thyroid surgery review time is generally 1 month after surgery (from the date of surgery), before and after try not to be greater than 1 week. 3.Preparation for review: Please bring a copy of your medical record or diagnostic certificate or certificate of discharge for review. Remember to fast in the morning of the review day, and remember to bring relevant materials of your medical record when you come to review for the first time in a foreign hospital. 4.Review content: routine review of FT3, FT4, TSH for benign thyroid tumors; routine review of FT3, FT4, TSH, Tg for malignant thyroid tumors, and ultrasound of thyroid gland, nuclear scanning and CT examination if necessary. Diet: If there is no special explanation when discharged from the hospital, patients can have normal diet after surgery. For patients who need to undergo iodine radiation therapy, iodized salt and iodine-containing foods such as kelp and seaweed are prohibited from eating from the beginning of the postoperative period. 6, postoperative follow-up time: 1 month after the operation, 3 months after the operation, gradually transitioned to half a year, once a year, and finally once every 2 to 3 years. 7, postoperative medication: according to the patient’s surgery to determine whether to take thyroxine tablets (eugenol), according to the results of each review and the condition of the need to adjust the dosage of eugenol, in order to achieve the best results. 8.Review procedures: first register; then go to the registration desk of the thyroid surgery clinic to register and queue up, wait for the call number; then consult the clinic for examination. According to the need for further examination: ① thyroid function: with the application form to the nuclear medicine department to draw blood tests; ② thyroid ultrasound: with the application form to the ultrasound department, to obtain the results of the examination room for follow-up, according to the situation of whether or not to carry out drug substitution therapy. With a prescription to the pharmacy or Chinese herbal pharmacy to get drugs.